What if internet access is not always reliable?

Considering reports that internet speeds were being reduced recently due to a conflict between two groups (http://www.cbc.ca/news/world/story/2013/03/27/spamhaus-attack.html), thinking about developing alternatives and back-up plans is crucial:

Danny Hillis: The Internet could crash. We need a Plan B

After watching the TED talk, take a closer look at the Arpanet Directory he talks about at the beginning:

What the internet looked like in 1982: A closer look at Danny Hillis’ vintage directory of users